From The Independent: The Lindt & Spruengli company confirmed local reports on Tuesday that there was a minor defect in the cooling ventilation for a line for roasted "cocoa nibs" in its factory in Olten, between Zurich and Basel. […] Combined with strong winds on Friday morning, the powder spread around the immediate vicinity of the factory, [&]

https://boingboing.net/2020/08/19/there-was-chocolate-snow-in-a.html